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DYRKNINGSMEDIUM UDEN JORD, SAMT FREMGANGSMAADE TIL VAEKST OG ERNAERING AF PLANTER UNDER ANVENDELSE AF ET SAADANT DYRKNINGSMEDIUM
DYRKNINGSMEDIUM UDEN JORD, SAMT FREMGANGSMAADE TIL VAEKST OG ERNAERING AF PLANTER UNDER ANVENDELSE AF ET SAADANT DYRKNINGSMEDIUM
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机译:没有土壤的生长培养基,以及使用这种耕种培养基进行植物生长和营养的程序
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摘要
A vitreous product which can be used in agriculture is disclosed. With the exception of nitrogen, this vetreous product contains all the major and minor mineral elements which are essential for the nutrition of plants. The vitreous products can contain the following constituents, taken in the following proportions by weight: -SiO2 25 to 65% Fe2O3 1 to 15% -P2O5 1 to 15% B2O3 0.01 to 2% -K2O 5 to 35% MnO 0.01 to 3% -CaO 11 to 35% ZnO 0.01 to 3% -MgO 1 to 10% CuO 0.01 to 2% -SO3 0.01 to 1% MoO3 0.01 to 3% - Na2O 0 to 2% - A12O3 0 to 25% -
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